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Species acting as both Bronsted acid and...

Species acting as both Bronsted acid and base is:

A

`HSO_4^(-)`

B

`Na_2CO_3`

C

`H_2PO_2^(-) `

D

`OH^-`

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The correct Answer is:
A
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GRB PUBLICATION-IONIC EQUILIBRIUM-All Questions
  1. Which acid is the strongest ?

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  2. What is the conjugate acid of HPO4^(2-)?

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  3. Species acting as both Bronsted acid and base is:

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  4. The dihydrogen phosphate ion undergoes these reaction in water H2PO4...

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  5. Which of the following expression is not true ?

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  6. Calculate the degree of ionization of pure water at 25^@C.

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  7. Hydrogen peroxide ionises as H2O2 hArr H^+ + HO2^- if pH of H2O2 is 5....

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  8. The pH of pure water at 50^@C is 6.63. What is the value of Kw at 50^@...

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  9. At 20^@C water has Kw=6.807xx10^(-15).What is the pH of pure water at ...

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  10. Which statement/relationship is correct ?

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  11. pOH of H(2)O is 7.0 at 298K. If water is heated at 350 K, which of the...

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  12. One litre of water contains 10^(-7) mole H^(+) ions. Degree of ionisat...

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  13. When rain is accompained by a thunderstorm, the collected rain water w...

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  14. For a weak electrolyte (HA) dissociation lim(crarr0), then:

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  15. pH of water is 7.0 at 25^(@)C. If water is heated to 70^(@)C, the:

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  16. For pure water:

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  17. A water sample from a municipal water supply was found to have a pH =...

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  18. If an aqueous solution at 25^(@)C has twice as many OH^(-) as pure wat...

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  19. The pH of solution having [OH^(-)]=10^(-7) is

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  20. At 900^(@)C, pK(w) is 13. At this temperature an aqueous solution with...

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